Re: [patch V3 03/35] x86/apic/msi: Use PCI device MSI property

[Jason Gunthorpe via iommu]

On Fri, Dec 10, 2021 at 11:18:47PM +0100, Thomas Gleixner wrote:
> From: Thomas Gleixner 
> 
> instead of fiddling with MSI descriptors.
> 
> Signed-off-by: Thomas Gleixner 
> ---
> V3: Use pci_dev->msix_enabled - Jason
> ---
>  arch/x86/kernel/apic/msi.c |5 +
>  1 file changed, 1 insertion(+), 4 deletions(-)

Reviewed-by: Jason Gunthorpe 

Jason
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Re: [patch V3 03/35] x86/apic/msi: Use PCI device MSI property

[Greg Kroah-Hartman]

On Fri, Dec 10, 2021 at 11:18:47PM +0100, Thomas Gleixner wrote:
> From: Thomas Gleixner 
> 
> instead of fiddling with MSI descriptors.
> 
> Signed-off-by: Thomas Gleixner 

Reviewed-by: Greg Kroah-Hartman 
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[patch V3 03/35] x86/apic/msi: Use PCI device MSI property

[Thomas Gleixner]

From: Thomas Gleixner 

instead of fiddling with MSI descriptors.

Signed-off-by: Thomas Gleixner 
---
V3: Use pci_dev->msix_enabled - Jason
---
 arch/x86/kernel/apic/msi.c |5 +
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -160,11 +160,8 @@ static struct irq_chip pci_msi_controlle
 int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec,
msi_alloc_info_t *arg)
 {
-   struct pci_dev *pdev = to_pci_dev(dev);
-   struct msi_desc *desc = first_pci_msi_entry(pdev);
-
init_irq_alloc_info(arg, NULL);
-   if (desc->pci.msi_attrib.is_msix) {
+   if (to_pci_dev(dev)->msix_enabled) {
arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX;
} else {
arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSI;

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